5
9
8
2
7
9
7
3
5
3
2
8
4
1
8
5
3
1
6
2
3
7
6
8
3

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Triple techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 2 / Column 6 → 5 (Hidden Single)
  2. Row 6 / Column 3 → 1 (Hidden Single)
  3. Row 2 / Column 8 → 8 (Hidden Single)
  4. Row 8 / Column 4 → 6 (Hidden Single)
  5. Row 2 / Column 3 → 6 (Hidden Single)
  6. Row 1 / Column 3 → 4 (Naked Single)
  7. Row 2 / Column 2 → 1 (Naked Single)
  8. Row 2 / Column 7 → 4 (Full House)
  9. Row 8 / Column 3 → 5 (Hidden Single)
  10. Locked Candidates Type 1 (Pointing): 9 in b4 => r4c4679<>9
  11. Naked Triple: 2,4,9 in r78c8,r8c7 => r79c9<>4, r79c9,r9c7<>9, r9c79<>2
  12. Row 9 / Column 1 → 2 (Hidden Single)
  13. Row 1 / Column 1 → 3 (Naked Single)
  14. Row 3 / Column 1 → 7 (Naked Single)
  15. Row 3 / Column 2 → 2 (Full House)
  16. Row 5 / Column 1 → 6 (Naked Single)
  17. Row 3 / Column 8 → 6 (Naked Single)
  18. Row 3 / Column 9 → 1 (Naked Single)
  19. Row 7 / Column 1 → 8 (Hidden Single)
  20. Row 9 / Column 7 → 1 (Hidden Single)
  21. Row 1 / Column 5 → 1 (Hidden Single)
  22. Row 1 / Column 4 → 8 (Naked Single)
  23. Row 1 / Column 6 → 6 (Naked Single)
  24. Locked Candidates Type 1 (Pointing): 7 in b4 => r4c479<>7
  25. Row 6 / Column 7 → 7 (Hidden Single)
  26. Row 5 / Column 9 → 9 (Naked Single)
  27. Row 1 / Column 9 → 2 (Naked Single)
  28. Row 1 / Column 7 → 9 (Full House)
  29. Row 5 / Column 6 → 1 (Naked Single)
  30. Row 5 / Column 4 → 7 (Full House)
  31. Row 8 / Column 7 → 2 (Naked Single)
  32. Row 4 / Column 7 → 3 (Full House)
  33. Row 4 / Column 4 → 5 (Naked Single)
  34. Row 4 / Column 1 → 4 (Naked Single)
  35. Row 6 / Column 1 → 5 (Full House)
  36. Row 6 / Column 5 → 6 (Naked Single)
  37. Row 4 / Column 9 → 6 (Naked Single)
  38. Row 4 / Column 5 → 8 (Naked Single)
  39. Row 9 / Column 5 → 5 (Full House)
  40. Row 6 / Column 9 → 4 (Naked Single)
  41. Row 6 / Column 8 → 2 (Full House)
  42. Row 4 / Column 6 → 2 (Naked Single)
  43. Row 9 / Column 9 → 7 (Naked Single)
  44. Row 7 / Column 9 → 5 (Full House)
  45. Row 9 / Column 3 → 9 (Naked Single)
  46. Row 4 / Column 3 → 7 (Full House)
  47. Row 4 / Column 2 → 9 (Full House)
  48. Row 8 / Column 2 → 4 (Naked Single)
  49. Row 7 / Column 2 → 7 (Full House)
  50. Row 8 / Column 8 → 9 (Full House)
  51. Row 7 / Column 8 → 4 (Full House)
  52. Row 9 / Column 4 → 4 (Naked Single)
  53. Row 9 / Column 6 → 8 (Full House)
  54. Row 7 / Column 6 → 9 (Naked Single)
  55. Row 7 / Column 4 → 1 (Full House)
  56. Row 3 / Column 4 → 3 (Naked Single)
  57. Row 3 / Column 6 → 4 (Full House)
  58. Row 6 / Column 6 → 3 (Full House)
  59. Row 6 / Column 4 → 9 (Full House)
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